Low severityNVD Advisory· Published Mar 16, 2026· Updated Mar 16, 2026
Password Change Bypass via Auth Switch Endpoint
CVE-2026-22545
Description
Mattermost versions 10.11.x <= 10.11.10 fail to validate user's authentication method when processing account auth type switch which allows an authenticated attacker to change account password without confirmation via falsely claiming a different auth provider.. Mattermost Advisory ID: MMSA-2026-00583
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/mattermost/mattermost/server/v8Go | < 8.0.0-20260127144908-ced9a56e3988 | 8.0.0-20260127144908-ced9a56e3988 |
github.com/mattermost/mattermost-serverGo | < 5.3.2-0.20260127144908-ced9a56e3988 | 5.3.2-0.20260127144908-ced9a56e3988 |
github.com/mattermost/mattermost-serverGo | >= 10.11.0-rc1, < 10.11.11 | 10.11.11 |
github.com/mattermost/mattermost-serverGo | >= 11.2.0-rc1, < 11.2.3 | 11.2.3 |
github.com/mattermost/mattermost-serverGo | >= 11.3.0-rc1, < 11.3.1 | 11.3.1 |
Affected products
4- ghsa-coords3 versionspkg:golang/github.com/mattermost/mattermost-serverpkg:golang/github.com/mattermost/mattermost/server/v8pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6
< 5.3.2-0.20260127144908-ced9a56e3988+ 2 more
- (no CPE)range: < 5.3.2-0.20260127144908-ced9a56e3988
- (no CPE)range: < 8.0.0-20260127144908-ced9a56e3988
- (no CPE)range: < 0.0.20260326T203309-150000.1.155.2
- Range: 10.11.0
Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-rv67-7w2g-7976ghsaADVISORY
- mattermost.com/security-updatesghsavendor-advisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-22545ghsaADVISORY
- github.com/mattermost/mattermost/commit/ced9a56e3988fe9fd4559d45f9971dbd562e2218ghsaWEB
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